1) How many planets are there in the solar system? a) 7 b) 6 c) 8 d) 5 2) What force does the green arrow represent on the moving car? a) Reaction/moving force b) Friction c) Air Resistance d) Gravity/weight 3) What force does the purple arrow represent on the moving car? a) Reaction/moving force b) Friction c) Air Resistance d) Gravity/weight 4) What force does the red arrow represent on the moving car? a) Reaction/moving force b) Friction c) Air Resistance d) Gravity/ weight 5) Which of these is a non contact force? a) Weight b) Friction c) Air Resistance d) Drag 6) If Peter walks 10 Km in an hour, what are our units of speed? a) km/h b) cm/min c) m/h d) km/s 7) What is peters speed in km/h if he walks 10 km in an hour? a) 5 km/h b) 100 km/h c) 1 km/h d) 10 km/h 8) What is peters speed in m/min if he walks 6 km in an hour? a) 6 m/min b) 100 m/min c) 10 m/min d) 600 m/min 9) Which force do you get from rubbing two materials together? a) Magnetism b) Compression c) Friction d) Tension 10) Which force do you get when a material is being squashed? a) Magnetism b) Compression c) Friction d) Tension 11) Which is greater his mass or his weight? a) Weight b) Mass 12) What is the equation for working out force? a) F=m x s b) M= f x a c) F= s x a d) F= m x a 13) What planet is closest to the sun? a) Mars b) Mercury c) Earth d) Venus 14) What is the sixth planet from the sun? a) Mars b) Jupiter c) Saturn d) Uranus 15) Acceleration is the rate at which what changes? a) Gravity b) Speed c) Velocity d) Time 16) Which is not a satellite? a) The moon b) Earth c) Jupiter d) The Sun 17) Sputnik is an example of an artificial satellite? a) True b) False 18) What satellites stay above the same country? a) Polar orbit b) Geostationary Orbit 19) A weather satellite would have what orbit? a) Polar b) Geostationary 20) A communication's satellite would have what orbit? a) Polar b) Geostationary 21) How long does it take for a geostationary satellite to orbit the earth? a) 24 hours b) 12 hours c) 1 hour d) 36 hours 22) What level do you think/want to achieve from this topic? a) 3 b) 5 c) 7 d) 4 e) 6 23) How many days are there left until Christmas? a) Too many b) 13 c) 16 d) 10

year 8 Forces

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